<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style>
			@import url(https://fonts.googleapis.com/css?family=Lato);
			body {
			  display: flex;
			  height: 100vh;
			  justify-content: center;
			  align-items: center;
			  text-align: center;
			  background: #222;
			}
			
			.btn {
			  position: relative;
			  padding: 1rem 3rem;
			  font-family: Lato, sans-serif;
			  font-size: 1.5rem;
			  line-height: 1.5;
			  color: black;
			  text-decoration: none;
			  background-color: white;
			  border: transparent;
			  outline: transparent;
			  cursor: pointer;
			  user-select: none;
			  white-space: nowrap;
			  animation: glow 8s linear infinite;
			}
			.btn-gradient {
			  color: white;
			  background: linear-gradient(90deg, #00dbde, #fc00ff, #00dbde);
			  background-size: 300%;
			  border-radius: 2em;
			}
			.btn-gradient::before {
			  position: absolute;
			  content: "";
			  top: -5px;
			  left: -5px;
			  bottom: -5px;
			  right: -5px;
			  z-index: -1;
			  background: inherit;
			  background-size: inherit;
			  border-radius: 4em;
			  opacity: 0;
			  transition: 0.5s;
			}
			.btn-gradient:hover::before {
			  opacity: 1;
			  filter: blur(20px);
			  animation: glow 8s linear infinite;
			}
			
			@keyframes glow {
			  to {
			    background-position: 300%;
			  }
			}
		</style>
	</head>
	<body>
		<button class="btn btn-gradient">
		  Hover Me
		</button>

	</body>
</html>
